NPPES file of Aug 9, 2026

Doctors and health care providers in Lancaster, CA

4,273 individual NPPES records list a practice address in Lancaster, 49th of 812 California cities. The largest group is behavior technician: 436, 10% of the city's records, against 18% across California. Page 35 of 86.

CMS NPPES registry, file of Aug 9, 2026 · method · Verify with CMS →

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Lancaster in California

  • Rank in California49th of 812 cities by records
  • Share of the state0.4% of California's records
  • Specialties present25 or more taxonomy codes
  • Top three groups24.6% of all records

Compared with California as a whole, Lancaster has 4.5× the state's share of peer specialist records and 0.56× its share of physical therapist records.

Providers in Lancaster, alphabetically

  1. Christine Helbling, D.O.General Practice Physician1558371567
  2. Justin Heller, MDPlastic Surgery Physician1639373590
  3. Brian HemphillBehavior Technician1013634369
  4. Deshanell HenaganBehavior Technician1013618214
  5. Pierre Hendricks, MDOrthopaedic Surgery Physician1720073653
  6. Mark Hendrickson, MPSS-GBYQNSPeer Specialist1215804794
  7. Cassel Henry, LVNLicensed Vocational Nurse1750520995
  8. Christine Henry, RASIAddiction (Substance Use Disorder) Counselor1487729885
  9. Rhasheda HenryMarriage & Family Therapist1740410786
  10. Sapora HensonLicensed Vocational Nurse1740904903
  11. Ana Hernandez, B.A.Marriage & Family Therapist1427765882
  12. Anita HernandezCommunity Health Worker1447377437
  13. Antoinette HernandezSocial Worker1457231953
  14. Aretha HernandezCommunity Health Worker1063202620
  15. Ashley HernandezMarriage & Family Therapist1932950763
  16. Blanca HernandezRehabilitation Practitioner1235666330
  17. Christopher HernandezCommunity Health Worker1215459144
  18. Doris HernandezCommunity Health Worker1649136615
  19. Gian Hernandez, DOFamily Medicine Physician1740290535
  20. Jacqueline HernandezLicensed Vocational Nurse1164138533
  21. Kenia HernandezCounselor1578236675
  22. Maria Hernandez, D.D.S.General Practice Dentistry1487704631
  23. Maria HernandezBehavior Technician1538874367
  24. Natalie HernandezSpeech-Language Pathologist1043164122
  25. Norma HernandezSpeech-Language Pathologist1952860108
  26. Ruben Hernandez, MDFamily Medicine Physician1700879897
  27. Ruben Hernandez, RADTAddiction (Substance Use Disorder) Counselor1154033710
  28. Silma HernandezBehavior Technician1891358719
  29. Soila HernandezLicensed Vocational Nurse1558140194
  30. Vanessa HernandezCommunity Health Worker1588174676
  31. Viviana HernandezPeer Specialist1174255657
  32. Zoyrhet Hernandez, RBTBehavior Technician1679306609
  33. Brianette Hernandez CameyBehavior Technician1396602777
  34. Martha Hernandez Moran, RBTBehavior Technician1609600717
  35. Melissa Hernandez PlasenciaDay Training/Habilitation Specialist1093663015
  36. Esmeralda Hernandez SidaBehavior Technician1194683375
  37. Amanda Hernandez-EspinozaClinical Social Worker1710019328
  38. Ariana HerreraCase Manager/Care Coordinator1912788167
  39. Ginalyn Herrera, PPS CREDENTIALSchool Psychologist1699517417
  40. Issac HerreraDay Training/Habilitation Specialist1588248132
  41. Obdulia HerreraMarriage & Family Therapist1902937972
  42. Jeannine HerronRehabilitation Practitioner1922126267
  43. Siamak Heshmati, MDFamily Medicine Physician1972550077
  44. Christopher Hext, PTAPhysical Therapy Assistant1679084537
  45. Cameron Heydari, DDSDentist1427159748
  46. Cecelia HibbertCommunity Health Worker1578252151
  47. Linda Hicks, CCC-SLPSpeech-Language Pathologist1881889368
  48. Sonja Hicks, MSAssistant Behavior Analyst1427643626
  49. Benjamin Higier, DCChiropractor1700815420
  50. Donna Hilber, N.P.Adult Health Nurse Practitioner1093032740

The largest California cities

  1. Los Angeles69,537
  2. San Diego52,937
  3. San Francisco38,143
  4. Sacramento33,083
  5. San Jose20,925

All of California →

How to read this directory

Lancaster, California appears in the CMS National Plan and Provider Enumeration System with 4,273 registered healthcare providers spanning 25 or more distinct NUCC-taxonomy specialties. This count includes every individual clinician who has applied for an NPI and listed a practice address in Lancaster - physicians, dentists, nurse practitioners, physician assistants, chiropractors, physical therapists, optometrists, psychologists, podiatrists, and every other credentialed provider type CMS tracks. It does not measure hospital beds, urgent-care capacity, or whether a given clinic is accepting new patients; it measures the pool of professionals with current NPI enrollment and a Lancaster practice location on file. Every figure is drawn from the federal National Provider Identifier Registry (CMS NPPES) - more than 7 million providers, maintained since May 2007, with 2024 Medicare Part D data, and, according to CMS, can be searched, compared, and traced in our methodology.

The provider mix in Lancaster is weighted toward Behavior Technician (436 clinicians, followed by Marriage & Family Therapist with 331 and Addiction (Substance Use Disorder) Counselor with 283). That distribution reflects how NPPES records specialty: providers self-select a primary taxonomy code, so a family physician who also practices geriatrics will show up under whichever NUCC code they registered first. Relative to California's population, Lancaster reports roughly 11 providers per 100,000 residents using the state-level denominator, which is a rough proxy rather than a precise access-to-care measurement; the true catchment area of any {cityName} clinician extends beyond the municipal boundary.

For Lancaster patients, this directory is most useful as a starting shortlist. Important: PlainDoctor is a directory of publicly available CMS government data, not a review site, a ranking, or medical advice. NPPES data is self-reported and refreshed monthly; call the practice directly to confirm the provider is still there, accepts your insurance, and is taking new patients.

For informational purposes only; this directory is not medical advice and not a substitute for checking a license. See also: how to find a doctor and how to verify one.

Common questions

How many doctors are in Lancaster, CA?

There are 4,273 registered healthcare providers in Lancaster, CA, covering 25 or more specialties. This includes physicians, dentists, therapists, and other licensed providers.

What are the most common medical specialties in Lancaster?

The most common specialties in Lancaster are Behavior Technician, Marriage & Family Therapist, Addiction (Substance Use Disorder) Counselor, Case Manager/Care Coordinator, Clinical Social Worker. Behavior Technician has the most providers with 436.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov). Records are self-reported registrations, not licenses.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.